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Integrated Battery-Charging Solution with Power Path Management - issue 5/2019
A new single coil power management IC with flexible configuration, rich functions and high efficiency integrates as many analog circuits as possible...
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Linear voltage regulators operate at automotive temperatures
Designed for high reliability, high temperature applications, the CMT-Antares is Cissoid's latest regulator.
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Power Electronics Europe News
 
Infineon adds CC flyback controller to XDP line-up
The IC can be used for cost-effective, constant current, single-stage driver designs. It joins the XDPL family of LED driver ICs with a digital core, to support LED driver products, based on the same hardware design. In this way, says the company, supply chain efficiency is improved as inventory costs are lowered.

The IC uses a PWM dimming input signal and modulates the output current amplitude proportional to the duty cycle. A dim-to-off mode offers a standby power of less than 100mW. There is also an output voltage that can be varied by a factor of three.

The power factor is more than 0.9 and total harmonic distortion is less than 15% over a wide load and input range. The IC also supports the IEC61000-3-2 class C standard, making it suitable for use in LED luminaires. The limited power mode improves functional safety, says the company, while algorithms provide flicker-free dimming below 1% for light quality even at low dimming levels.

Protection modes are configurable and an adaptive temperature guard prevents the driver hardware from thermal wear. The adaptive over-voltage protection enables lower safety margins to meet safety extra low voltage (SELV) specifications.

The CC flyback IC is available now in a DSO-8 package.

 



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